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Author: Robert Warren Gunn
Publisher:
ISBN:
Category : Dye lasers
Languages : en
Pages : 78
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Book Description
Author: Robert Warren Gunn
Publisher:
ISBN:
Category : Dye lasers
Languages : en
Pages : 78
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Book Description
Author: William H. Glenn
Publisher:
ISBN:
Category :
Languages : en
Pages : 105
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Book Description
The report summarizes a number of research projects concerned with the generation, measurement, and properties of picosecond laser pulses produced by mode-locked lasers. Topics discussed include a theory of the two photon absorption-fluorescence method of pulse width measurement, a statistical model of the mode-locking process that is capable of explaining many of the observed features, a comparison of the model with experimental results, experiments with time-resolved spectroscopy and experiments with a novel type of nonlinear optical element that is potentially useful for mode-locking. (Author).
Author: S.L. Shapiro
Publisher: Springer Science & Business Media
ISBN: 3662225743
Category : Science
Languages : en
Pages : 397
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Book Description
Soon after the invention of the laser, a brand-new area of endeavour emerged after the discovery that powerful ultrashort (picosecond) light pulses could be extracted from some lasers. Chemists, physicists, and engineers quickly recognized that such pulses would allow direct temporal studies of extremely rapid phenomena requiring, however, development of revolutionary ultrafast optical and electronic devices. For basic research the development of picosecond pulses was highly important because experimentalists were now able to measure directly the motions of atoms and molecules in liquids and solids: by disrupting a material from equilibrium with an intense picosecond pulse and then recording the time of return to the equilibrium state by picosecond techniques. Studies of picosecond laser pulses-their generation and diagnostic tech niques-are still undergoing a fairly rapid expansion, but a critical review of the state of the art by experienced workers in the field may be a timely help to new experimentalists. We shall review the sophisticated tools developed in the last ten years, including the modelocked picosecond-pulse-emitting lasers, the picosecond detection techniques, and picosecond devices. Moreover, we shall outline the basic foundations for the study of rapid events in chemistry and physics, which have emerged after many interesting experiments and which are now being applied in biology. An in-depth coverage of various aspects of the picosecond field should be helpful to scientists and engineers alike.
Author: S.L. Shapiro
Publisher: Springer
ISBN: 9783662225752
Category : Technology & Engineering
Languages : en
Pages : 392
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Book Description
Soon after the invention of the laser, a brand-new area of endeavour emerged after the discovery that powerful ultrashort (picosecond) light pulses could be extracted from some lasers. Chemists, physicists, and engineers quickly recognized that such pulses would allow direct temporal studies of extremely rapid phenomena requiring, however, development of revolutionary ultrafast optical and electronic devices. For basic research the development of picosecond pulses was highly important because experimentalists were now able to measure directly the motions of atoms and molecules in liquids and solids: by disrupting a material from equilibrium with an intense picosecond pulse and then recording the time of return to the equilibrium state by picosecond techniques. Studies of picosecond laser pulses-their generation and diagnostic tech niques-are still undergoing a fairly rapid expansion, but a critical review of the state of the art by experienced workers in the field may be a timely help to new experimentalists. We shall review the sophisticated tools developed in the last ten years, including the modelocked picosecond-pulse-emitting lasers, the picosecond detection techniques, and picosecond devices. Moreover, we shall outline the basic foundations for the study of rapid events in chemistry and physics, which have emerged after many interesting experiments and which are now being applied in biology. An in-depth coverage of various aspects of the picosecond field should be helpful to scientists and engineers alike.
Author: Sina Riecke
Publisher: Cuvillier Verlag
ISBN: 3736936524
Category : Science
Languages : en
Pages : 136
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Book Description
Picosecond laser pulses find diverse applications for example in material processing as well as in analysis and sensing. Fluorescence lifetime spectroscopy in particular requires pulses with variable repetition rate and moderate pulse energy. While suitable pulses in the red and blue spectral range can be provided by gain-switched laser diodes, the generation of green laser pulses requires a more elaborate setup based on second harmonic generation. The starting point is a gain-switched infrared distributed-feedback laser diode. The optimization of the laser design and the operating conditions allows to generate spectrally narrow picosecond pulses with a peak power above 1 W. Different gain media are compared for further amplification of these pulses, and options for the miniaturization of the master-oscillator power-amplifier system are explored. The resulting intense infrared pulses are then used for second harmonic generation of green picoseconds pulses. Their peak power of above 5 W exceeds all previous green pulse sources with variable repetition rate. In terms of pulse energy and background suppression, the reported green pulses are thus ideally suited for fluorescence lifetime spectroscopy
Author: Wolfgang Kaiser
Publisher: Springer Science & Business Media
ISBN: 3540473033
Category : Science
Languages : en
Pages : 500
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Book Description
This second edition in paperback provides an up-to-date review of the state of the art in different generation processes for ultrashort laser pulses. Inaddition, extensive applications in a wide range of fields - in physics,engineering, chemistry, and biology - are discussed: Eight chapters dealwith the following topics: -the generation of picosecond and femtosecond laser pulses -nonlinear wave interactions - new investigations in solid-state physics - recent progress in optoelectronics - advances in coherent material excitations - ultrafast vibrational lifetimes and energy redistribution in liquids - new observations of chemical reactions in the liquid state - the primary processes of important biological systems The book is essential reading for scientists and engineers who want to know what is going on in this rapidly advancing field. It should also interest graduate students and others who seek an introduction to laserpulses.
Author: D. J. Bradley
Publisher:
ISBN:
Category :
Languages : en
Pages : 211
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Book Description
Detailed studies of ruby laser mode-locking with saturable absorbers were carried out. Oscillation in pure, low order transverse modes has been achieved and improvements in pulse duration and general reproducibility have been obtained by employing DDCI in optical contact with a laser cavity mirror. Anomalous quenching effects of two-photon fluorescence patterns in Rhodamine 6G and DPA have been extensively studies. Transverse mode-locking of the ruby laser has also been observed in a confocal cavity which also produced simultaneous transverse and longitudinal mode-locking. The saturable action of phthalocyanine dyes in the vapour phase has been studied and successful Q-switching of the ruby laser employing phthalocyanine vapour has been accomplished. (Author).
Author: Frank W. Wise
Publisher: Society of Photo Optical
ISBN: 9780819417244
Category : Technology & Engineering
Languages : en
Pages : 342
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Book Description
Author: William Keeler Burns
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author: R. Trebino
Publisher: Society of Photo Optical
ISBN: 9780819414090
Category : Technology & Engineering
Languages : en
Pages : 410
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Book Description
